鲸类动物在休息时减少它们的呼吸次数.Cetaceans reduce the number of breaths they take during rest periods.鲸类动物是否经历梦睡眠还不清楚.It is not clear whether cetaceans undergo dream sleep.须鲸类;露脊鲸;长须鲸; 蓝鲸;座头鲸.Any of various similar cetaceans, such as t...
Friendship means understanding, not agreement. It means forgiveness, not forgetting.It means the memories last, even if contact is lost.友情是理解，不是妥协；是原谅，不是遗忘。即使不联系，感情依然在。This proposal is by no means a sure thing.这个提议绝不会理所当...